High baseline noise and random spikes in the chromatography - WKB276278
Article number: 276278
SYMPTOMS
- no pressure rippling
- detector flow cell clean
- base line stable with Zero injection volume
- replacing the insert In-line filter does not solve the issue
ENVIRONMENT
- 2695 Alliance system
- e2695 Alliance system
- 2489 TUV detector
CAUSE
the Inlet tubing on the injector HPMV1 worn or partially clogged.
FIX or WORKAROUND
- Replace the Inlet tubing on the injector HPMV1
ADDITIONAL INFORMATION
id276278, 2489, 2489B, 2489SFC, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, A-10SSM, A-10UV, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB, baseline ripple